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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 4 |
| 10 | 5 |
| 11 | 8 |
| 12 | 11 |
| 13 | 14 |
| 14 | 19 |
| 15 | 26 |
| 16 | 34 |
| 17 | 43 |
| 18 | 56 |
| 19 | 72 |
| 20 | 90 |
| 21 | 114 |
| 22 | 145 |
| 23 | 178 |
| 24 | 222 |
| 25 | 277 |
| 26 | 338 |
| 27 | 414 |
| 28 | 511 |
| 29 | 619 |
| 30 | 751 |
| 31 | 913 |
| 32 | 1101 |
| 33 | 1324 |
| 34 | 1595 |
| 35 | 1909 |
| 36 | 2282 |
| 37 | 2724 |
| 38 | 3243 |
| 39 | 3850 |
| 40 | 4569 |
| 41 | 5406 |
| 42 | 6387 |
| 43 | 7530 |
| 44 | 8869 |
| 45 | 10423 |
| 46 | 12231 |
| 47 | 14332 |
| 48 | 16775 |
| 49 | 19591 |
| 50 | 22864 |
| 51 | 26643 |
| 52 | 31000 |
[0,0,0,0,0,1,1,1,3,4,5,8,11,14,19,26,34,43,56,72, 90,114,145,178,222,277,338,414,511,619,751,913, 1101,1324,1595,1909,2282,2724,3243,3850,4569,5406, 6387,7530,8869,10423,12231,14332,16775,19591, 22864,26643,31000] |